diff --git a/turtle.cabal b/turtle.cabal
index 159a70f..19759dc 100644
--- a/turtle.cabal
+++ b/turtle.cabal
@@ -73,7 +73,7 @@ Library
         optional-args        >= 1.0     && < 2.0 ,
         unix-compat          >= 0.4     && < 0.6
     if os(windows)
-        Build-Depends: Win32 >= 2.2.0.1 && < 2.6
+        Build-Depends: Win32 >= 2.2.0.1 && < 2.9
     else
         Build-Depends: unix  >= 2.5.1.0 && < 2.8
     Exposed-Modules: